1.I am blind and he is my eyes.—I cannot see anything and he is my assistant to see the outside world.2.Can you tell me the location of the fire exit?—Can you tell me where the fire exit is?3.I wet some towels and put them along the bottom of the door.—I put some towels into water and they became wet, then I put them at the low end of the door.~~~~用英语解释英语比用汉语解释难得多